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View Full Version : Pro Fav 385cc kit??


300exPA
02-23-2003, 02:25 PM
Has anyone used teh Pro Fab 385 kit for the 300ex. I am getting mine installed when the rest of my bearings and parts come in. I wanted to know about the power increase and what rod was used. I cannot find a Hot Rod.
300exPA
02-25-2003, 02:04 PM
BUMP
badass250x
02-25-2003, 06:43 PM
hey man how much that kit cost?
300exPA
02-25-2003, 08:25 PM
The kit cost $350.00 plus labor that I'm having done by PGR Racing. I also have to install an oil kit. I'm gonna use a chevy transmission cooler. This is only slightly more than a 330 kit so I figure what the hell. I had a 330 kit that blew up and they don't make an oversized piston, so I went bigger instead of buying a new 330.
YZROOSTINYA
02-26-2003, 04:36 AM
there doing my head right now so i will let you know how that goes.
300exPA
02-26-2003, 06:54 AM
They who??
YZROOSTINYA
02-26-2003, 07:02 AM
www.profabatv.com thats who your talking about right
300exPA
02-26-2003, 07:10 PM
Thats what I thought you were talking about. What are they doing to your head, just curious.
honda250xrider
02-26-2003, 07:26 PM
if i were you i would do a stroker just my opion though. but be prepared to spend anywhere from 800-1400 dollars to have a good stroker engine built.
YZROOSTINYA
02-27-2003, 04:13 AM
there doing a clean up port and blending of the head.


Its only 150.00, there full race port is 375.00.

I beleive he is prob gonna either regrind my valves or replace them also. they have a good bit of wear on them around the seats. he is supposed to call tomorrow
BLURR250X
02-27-2003, 06:35 AM
Do you race in D5?If u do what class?I'm taking my quad to PGR in a couple weeks.let me know how you like your work and how that kit works out for you.
trx400ex
02-27-2003, 04:00 PM
yz, be careful, i just got my head back from them and within 1 minute after starting the first time the valves let go (retainers) and destroyed the motor.....im still waiting to see what theyll do about it, but just check everything over real well if you assembling it yourself..you probably already know this anyway but just in case
YZROOSTINYA
02-27-2003, 04:11 PM
will do, thanks
300exPA
03-31-2003, 07:10 AM
BUMP
YZROOSTINYA
03-31-2003, 07:15 AM
my head is back and have about 1o hrs on it


all I can say is NICE!!!!!!!!

i wrote up a post about it a week ago,

title" WOW its fast-finished"